%&LaTeX
\documentclass{article}

\usepackage[latin1]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{textcomp}

\begin{document}

\begin{thebibliography}{1}

\bibitem{Schindler1939} Schindler, O. (1939). \textit{Die Saiblinge des K{\"o}nigssees} (Vol. 39).

\end{thebibliography}

\end{document}

